Body skin allergy itch is due to the patient’s contact with their own allergic substances triggered by the allergic reaction disease, relief methods include general treatment and drug treatment, it is recommended that patients go to the hospital to consult a professional doctor to choose the appropriate treatment program. 1. General treatment: It is recommended to stop contacting the allergy-causing substances immediately, avoid scratching, and pay attention to eating a light diet, abstaining from alcohol and smoking, resting sufficiently, avoiding staying up late for a long time, and maintaining a good state of mind. 2. medication: patients can apply local glycerine lotion and other drugs to relieve itching, you can also take anti-allergy drugs such as cetirizine, loratadine and other drugs to improve the symptoms. As the drug is not absolutely the most effective and safest, it is recommended that the patient appears to be timely consultation, the drug needs to follow the doctor’s instructions to standardize the use of drugs, do not self-medication.